[INFO] crate base64-url 1.1.7 is already in cache
[INFO] extracting crate base64-url 1.1.7 into work/ex/clippy-test-run/sources/stable/reg/base64-url/1.1.7
[INFO] extracting crate base64-url 1.1.7 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/base64-url/1.1.7
[INFO] validating manifest of base64-url-1.1.7 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of base64-url-1.1.7 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing base64-url-1.1.7
[INFO] finished frobbing base64-url-1.1.7
[INFO] frobbed toml for base64-url-1.1.7 written to work/ex/clippy-test-run/sources/stable/reg/base64-url/1.1.7/Cargo.toml
[INFO] started frobbing base64-url-1.1.7
[INFO] finished frobbing base64-url-1.1.7
[INFO] frobbed toml for base64-url-1.1.7 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/base64-url/1.1.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting base64-url-1.1.7 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/base64-url/1.1.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e1202e2fae80d6974a3ec6c8ab99b6bb145536ef6e9101f58522a4a41a0bb63f
[INFO] running `"docker" "start" "-a" "e1202e2fae80d6974a3ec6c8ab99b6bb145536ef6e9101f58522a4a41a0bb63f"`
[INFO] [stderr]     Checking base64-url v1.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `len`
[INFO] [stderr]   --> src/decode.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         (len + 3 / 4) * 3
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `len`
[INFO] [stderr]   --> src/decode.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         (len + 3 / 4) * 3
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]  --> tests/unescape.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |     assert_eq!("https://magiclen.org".as_bytes().to_vec(), base64::decode(&base64_url::unsafe_unescape("aHR0cHM6Ly9tYWdpY2xlbi5vcmc")).unwrap());
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"https://magiclen.org"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]  --> tests/decode.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 |     assert_eq!("https://magiclen.org".as_bytes().to_vec(), base64_url::decode("aHR0cHM6Ly9tYWdpY2xlbi5vcmc").unwrap());
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"https://magiclen.org"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/decode.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let url = "https://magiclen.org/".as_bytes().to_vec();
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"https://magiclen.org/"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/decode.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     assert_eq!("https://magiclen.org/articles".as_bytes().to_vec(), base64_url::decode_and_push_to_vec("YXJ0aWNsZXM", url).unwrap());
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"https://magiclen.org/articles"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `"docker" "inspect" "e1202e2fae80d6974a3ec6c8ab99b6bb145536ef6e9101f58522a4a41a0bb63f"`
[INFO] running `"docker" "rm" "-f" "e1202e2fae80d6974a3ec6c8ab99b6bb145536ef6e9101f58522a4a41a0bb63f"`
[INFO] [stdout] e1202e2fae80d6974a3ec6c8ab99b6bb145536ef6e9101f58522a4a41a0bb63f